/Engine/Plugins/Media/MediaIOFramework/Source/MediaIOCore/Public/MediaIOCoreSubsystem.h
Create an audio output that allows getting audio that was accumulated during the last frame.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FMediaIOAudioOutput](API\Plugins\MediaIOCore\FMediaIOAudioOutput) > CreateAudioOutput ( const [FCreateAudioOutputArgs](API\Plugins\MediaIOCore\UMediaIOCoreSubsystem\FCreateAudioOutputArgs) & InArgs )